S912XEG384J3VAGR - 16-bit MCU, 384KB Flash, 50MHz, LQFP-144 | NXP
MPN: S912XEG384J3VAGR ✓ Hoạt độngS912XEG384J3VAGR Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, ADC channels, communication controllers (CAN, SPI, SCI), and GPIO. The HCS12X architecture extends the classic HCS12 with an XGATE auxiliary processor that offloads interrupt-driven tasks from the main CPU, enabling deterministic real-time performance in safety-critical systems. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers, which fall under logic ICs, integrated circuits, and finally semiconductors.
The S912XEG384J3VAGR includes 384KB of on-chip Flash (384K x 8), 4KB of EEPROM for non-volatile data storage, and 32KB of RAM. It supports up to 8 CAN 2.0 A/B controllers, multiple SCI/SPI/I2C interfaces, an 8-channel 10-bit ADC, and a PWM module suitable for motor control. The integrated XGATE RISC co-processor executes interrupt service routines without CPU intervention, freeing the main S12X core for application logic.
The part operates from a 5V supply (with internal 3.3V and 2.5V regulators), supports -40C to +105C industrial grade temperatures, and is qualified for automotive use. Its BDM (Background Debug Mode) interface and on-chip single-wire debugging simplify firmware development and in-field programming.
Typical applications include automotive body controllers, instrument clusters, HVAC modules, industrial CAN nodes, and motor control systems. The combination of large Flash, XGATE, and CAN density makes it ideal for gateway modules that bridge multiple in-vehicle networks.
When designing with this MCU, careful PCB layout is required for the 50 MHz CPU, with particular attention to decoupling, oscillator placement, and LQFP-144 thermal performance. The BDM header must remain accessible for programming and debug.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the NXP datasheet.
Bộ thay thế dễ dàng lắp đặt cho S912XEG384J3VAGR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với S912XEG384J3VAGR (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Supply Voltage, XGATE Co-processor.
S912XEQ384J3VAGR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XES384J3VAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J2CAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384AVAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF51JE256CMB
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J3VAGR Tỷ lệ tối đa & tính chất điện
| Core Architecture | HCS12X (16-bit) |
| CPU Frequency | 50 MHz |
| Program Memory (Flash) | 384 KB (384K x 8) |
| RAM | 32 KB |
| Data EEPROM | 4 KB |
| Hộp | 144-LQFP (20 x 20 mm) |
| Operating Voltage | 5 V (with on-chip regulators) |
| Nhiệt độ hoạt động | -40 C to +105 C |
| CAN Controllers | Up to 8 (CAN 2.0 A/B) |
| ADC | 8-channel, 10-bit |
| XGATE Co-processor | Yes, integrated RISC |
| BDM Debug | Background Debug Mode (single-wire) |
| PWM Module | Yes |
| GPIO Count | Up to 91 |
| Kiểu lắp đặt | Surface Mount |
| Temperature Grade | Industrial / Automotive |
| Trạng thái RoHS | Compliant |
Cấu hình chân S912XEG384J3VAGR
| Chân 1 | PA0 — Port A bit 0 / general-purpose GPIO |
| Chân 2 | PA1 — Port A bit 1 |
| Chân 3 | PA2 — Port A bit 2 |
| Chân 4 | PA3 — Port A bit 3 |
| Chân 5 | PA4 — Port A bit 4 |
| Chân 6 | PA5 — Port A bit 5 |
| Chân 7 | PA6 — Port A bit 6 |
| Chân 8 | PA7 — Port A bit 7 |
| Chân 9 | PB0 — Port B bit 0 |
| Chân 10 | PB1 — Port B bit 1 |
| Chân 11 | PB2 — Port B bit 2 |
| Chân 12 | PB3 — Port B bit 3 |
| Chân 13 | PB4 — Port B bit 4 |
| Chân 14 | PB5 — Port B bit 5 |
| Chân 15 | PB6 — Port B bit 6 |
| Chân 16 | PB7 — Port B bit 7 |
| Chân 17 | PC0 — Port C bit 0 |
| Chân 18 | PC1 — Port C bit 1 |
| Chân 19 | PC2 — Port C bit 2 |
| Chân 20 | PC3 — Port C bit 3 |
| Chân 21 | PC4 — Port C bit 4 |
| Chân 22 | PC5 — Port C bit 5 |
| Chân 23 | PC6 — Port C bit 6 |
| Chân 24 | PC7 — Port C bit 7 |
| Chân 25 | VSS — Ground |
| Chân 26 | VDDR — Voltage regulator output (3.3V) |
| Chân 27 | VDDX — External supply (3.3V - 5V) |
| Chân 28 | description ignored in alt form |
| Chân 29 | VSSPLL — PLL ground |
| Chân 30 | XTAL — Crystal oscillator input |
| Chân 31 | EXTAL — Crystal oscillator input / external clock |
| Chân 32 | RESET — Reset input (active low) |
| Chân 33 | BKGD — Background Debug Mode (BDM) interface |
| Chân 34 | TCLK — Timer clock input (BDM shared) |
| Chân 35 | TEST — Test mode pin (factory use) |
| Chân 36 | PD0 — Port D bit 0 / CAN0 TX |
| Chân 37 | PD1 — Port D bit 1 / CAN0 RX |
| Chân 38 | PD2 — Port D bit 2 |
| Chân 39 | PD3 — Port D bit 3 |
| Chân 40 | PD4 — Port D bit 4 |
| Chân 41 | PD5 — Port D bit 5 |
| Chân 42 | PD6 — Port D bit 6 |
| Chân 43 | PD7 — Port D bit 7 |
| Chân 44 | PE0 — Port E bit 0 / IRQ |
| Chân 45 | PE1 — Port E bit 1 / XIRQ |
| Chân 46 | PE2 — Port E bit 2 |
| Chân 47 | PE3 — Port E bit 3 |
| Chân 48 | PE4 — Port E bit 4 |
| Chân 49 | PE5 — Port E bit 5 |
| Chân 50 | PE6 — Port E bit 6 |
| Chân 51 | PE7 — Port E bit 7 |
| Chân 52 | PJ0 — Port J bit 0 |
| Chân 53 | PJ1 — Port J bit 1 |
| Chân 54 | PJ2 — Port J bit 2 |
| Chân 55 | PJ3 — Port J bit 3 |
| Chân 56 | PJ4 — Port J bit 4 |
| Chân 57 | PJ5 — Port J bit 5 |
| Chân 58 | PJ6 — Port J bit 6 |
| Chân 59 | PJ7 — Port J bit 7 |
| Chân 60 | PK0 — Port K bit 0 |
| Chân 61 | PK1 — Port K bit 1 |
| Chân 62 | PK2 — Port K bit 2 |
| Chân 63 | PK3 — Port K bit 3 |
| Chân 64 | PK4 — Port K bit 4 |
| Chân 65 | PK5 — Port K bit 5 |
| Chân 66 | PK6 — Port K bit 6 |
| Chân 67 | PK7 — Port K bit 7 |
| Chân 68 | PM0 — Port M bit 0 |
| Chân 69 | PM1 — Port M bit 1 |
| Chân 70 | PM2 — Port M bit 2 |
| Chân 71 | PM3 — Port M bit 3 |
| Chân 72 | PM4 — Port M bit 4 |
| Chân 73 | PM5 — Port M bit 5 |
| Chân 74 | PM6 — Port M bit 6 |
| Chân 75 | PM7 — Port M bit 7 |
| Chân 76 | PP0 — Port P bit 0 / PWM0 |
| Chân 77 | PP1 — Port P bit 1 / PWM1 |
| Chân 78 | PP2 — Port P bit 2 / PWM2 |
| Chân 79 | PP3 — Port P bit 3 / PWM3 |
| Chân 80 | PP4 — Port P bit 4 / PWM4 |
| Chân 81 | PP5 — Port P bit 5 / PWM5 |
| Chân 82 | PP6 — Port P bit 6 / PWM6 |
| Chân 83 | PP7 — Port P bit 7 / PWM7 |
| Chân 84 | PS0 — Port S bit 0 / SCI0 TX |
| Chân 85 | PS1 — Port S bit 1 / SCI0 RX |
| Chân 86 | PS2 — Port S bit 2 / SPI0 SCK |
| Chân 87 | PS3 — Port S bit 3 / SPI0 MOSI |
| Chân 88 | PS4 — Port S bit 4 / SPI0 MISO |
| Chân 89 | PS5 — Port S bit 5 / SPI0 SS |
| Chân 90 | PS6 — Port S bit 6 |
| Chân 91 | PS7 — Port S bit 7 |
| Chân 92 | PT0 — Port T bit 0 / IOC0 / PWM |
| Chân 93 | PT1 — Port T bit 1 / IOC1 / PWM |
| Chân 94 | PT2 — Port T bit 2 / IOC2 / PWM |
| Chân 95 | PT3 — Port T bit 3 / IOC3 / PWM |
| Chân 96 | PT4 — Port T bit 4 / IOC4 / PWM |
| Chân 97 | PT5 — Port T bit 5 / IOC5 / PWM |
| Chân 98 | PT6 — Port T bit 6 / IOC6 / PWM |
| Chân 99 | PT7 — Port T bit 7 / IOC7 / PWM |
| Chân 100 | PAD00 — Port AD bit 0 / AN0 / ADC input |
| Chân 101 | PAD01 — Port AD bit 1 / AN1 |
| Chân 102 | PAD02 — Port AD bit 2 / AN2 |
| Chân 103 | PAD03 — Port AD bit 3 / AN3 |
| Chân 104 | PAD04 — Port AD bit 4 / AN4 |
| Chân 105 | PAD05 — Port AD bit 5 / AN5 |
| Chân 106 | PAD06 — Port AD bit 6 / AN6 |
| Chân 107 | PAD07 — Port AD bit 7 / AN7 |
| Chân 108 | PAD08 — Port AD bit 8 |
| Chân 109 | PAD09 — Port AD bit 9 |
| Chân 110 | PAD10 — Port AD bit 10 |
| Chân 111 | PAD11 — Port AD bit 11 |
| Chân 112 | PAD12 — Port AD bit 12 |
| Chân 113 | PAD13 — Port AD bit 13 |
| Chân 114 | PAD14 — Port AD bit 14 |
| Chân 115 | PAD15 — Port AD bit 15 |
| Chân 116 | VDD — Supply voltage (5V) |
| Chân 117 | VSS — Ground |
| Chân 118 | CAN1TX — CAN1 transmit (if multiplexed) |
| Chân 119 | CAN1RX — CAN1 receive (if multiplexed) |
| Chân 120 | CAN2TX — CAN2 transmit |
| Chân 121 | CAN2RX — CAN2 receive |
| Chân 122 | CAN3TX — CAN3 transmit |
| Chân 123 | CAN3RX — CAN3 receive |
| Chân 124 | CAN4TX — CAN4 transmit |
| Chân 125 | CAN4RX — CAN4 receive |
| Chân 126 | VSS — Ground |
| Chân 127 | VDD — Supply voltage (5V) |
| Chân 128 | PH0 — Port H bit 0 |
| Chân 129 | PH1 — Port H bit 1 |
| Chân 130 | PH2 — Port H bit 2 |
| Chân 131 | PH3 — Port H bit 3 |
| Chân 132 | PH4 — Port H bit 4 |
| Chân 133 | PH5 — Port H bit 5 |
| Chân 134 | PH6 — Port H bit 6 |
| Chân 135 | PH7 — Port H bit 7 |
| Chân 136 | PI0 — Port I bit 0 |
| Chân 137 | PI1 — Port I bit 1 |
| Chân 138 | PI2 — Port I bit 2 |
| Chân 139 | PI3 — Port I bit 3 |
| Chân 140 | PI4 — Port I bit 4 |
| Chân 141 | PI5 — Port I bit 5 |
| Chân 142 | PI6 — Port I bit 6 |
| Chân 143 | PI7 — Port I bit 7 |
| Chân 144 | PL0 — Port L bit 0 |
Ứng dụng tiêu biểu
S912XEG384J3VAGR phù hợp cho 6 Áp dụngs: Automotive Body Control Module, Automotive Gateway / Central Network Node, Industrial CAN-Enabled Motor Drive Controller, Vehicle Instrument Cluster Controller, Heavy-Duty Truck / Off-Road Vehicle ECU, Energy Storage / Battery Management Aggregator.
Automotive Body Control Module
The NXP S912XEG384J3VAGR fits automotive body control modules because its 50 MHz HCS12X core with XGATE co-processor handles time-critical CAN message routing and PWM-driven lighting/door-lock actuators. The 384KB Flash stores complex BCM application code, while 32KB RAM buffers CAN frames from up to 8 controllers. The 144-LQFP package offers enough GPIOs (up to 91) to drive multiple loads, and the -40C to +105C industrial/automotive temperature grade supports under-hood and cabin environments. Per the NXP HCS12X datasheet, the XGATE peripheral offloads CAN ISR handling from the main CPU, enabling deterministic response for safety-relevant BCM functions.
Được đề xuất
Automotive Gateway / Central Network Node
The S912XEG384J3VAGR is ideal for automotive central gateway modules because it integrates up to 8 CAN 2.0 A/B controllers, allowing simultaneous connection to powertrain, body, and chassis CAN buses with hardware filtering. The 50 MHz S12X core plus XGATE handles CAN-to-CAN message translation, and 384KB Flash accommodates protocol stacks (UDS, OBD-II, J1939) alongside gateway firmware. Per the NXP HCS12X datasheet, the XGATE can service incoming CAN traffic with predictable latency, freeing the CPU for routing logic. The 144-LQFP package exposes enough pins for multiple CAN transceivers and diagnostic interfaces.
Được đề xuất
Industrial CAN-Enabled Motor Drive Controller
The S912XEG384J3VAGR suits industrial CAN-bus motor drives because its HCS12X core with XGATE provides deterministic PWM generation and CAN-based command reception for servo, BLDC, and stepper drives. The device's 8-channel 10-bit ADC samples motor current and voltage feedback, while 384KB Flash stores field-oriented-control firmware. Per the NXP S12XE peripheral guide, the PWM module supports center-aligned and complementary outputs needed for 3-phase inverter switching. The -40C to +105C temperature range covers factory-floor environments.
Được đề xuất
Vehicle Instrument Cluster Controller
The S912XEG384J3VAGR supports automotive instrument cluster designs that drive LCD/segment displays from CAN and LIN bus data. Its 50 MHz S12X core renders stepper/multi-gauge animations while the XGATE handles background CAN frame decoding and watchdog refreshes. The 32KB RAM buffers gauge state without host intervention, and 384KB Flash stores cluster graphics libraries and configuration. Per the NXP HCS12X datasheet, multiple PWM channels can drive analog gauges directly. The 144-LQFP package provides ample GPIOs for backlight drivers and telltale LEDs.
Được đề xuất
Heavy-Duty Truck / Off-Road Vehicle ECU
The S912XEG384J3VAGR is well-matched to heavy-truck and off-road ECUs because the -40C to +105C industrial/automotive temperature grade withstands vibration, dust, and thermal extremes. J1939 protocol stacks fit within 384KB Flash, and the multi-CAN architecture supports multiple truck trailers plus body-controller buses. The XGATE co-processor handles time-critical J1939 messaging and diagnostics; the 32KB RAM buffers larger telematics frames. Per the NXP HCS12X datasheet, the BDM (Background Debug Mode) allows in-field firmware updates for serviceability.
Được đề xuất
Energy Storage / Battery Management Aggregator
The S912XEG384J3VAGR can serve as a battery-bank CAN aggregator because it supports up to 8 CAN buses for stacking battery modules and an uplink to the inverter/PCS. The XGATE handles cell-balancing commands and status polling, while 384KB Flash stores BMS state machines and SOC algorithms. The 144-LQFP package accommodates BDM debug headers for in-service firmware updates, and the 32KB RAM caches telemetry before uplink bursts. Per the NXP HCS12X datasheet, the 8-channel 10-bit ADC measures pack voltage and temperature inputs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XEG384J3VAGR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | S912XEQ384J3VAGR | S912XES384J3VAL | S912XEG384J2CAL | S912XEG384AVAGR | MCF51JE256CMB |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP family variant |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | ColdFire V1 |
| CPU Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | Up to 50 MHz |
| Flash | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| XGATE Co-processor | Yes | No | Yes | Yes | Yes | No |
| CAN Controllers | Up to 8 | Up to 8 | Up to 8 | Up to 8 | Up to 8 | 1 typical |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +85 C |
Bảo phân biệt quan trọng
- Integrated XGATE co-processor (vsS912XEQ384J3VAGR)
- Higher CAN channel count (vsMCF51JE256CMB)
- Larger Flash in same footprint (vsS912XEG128W1MAAR)
Ghi chú thiết kế
The S912XEG384J3VAGR requires a stable 5V supply on VDD pins (multiple pins must be decoupled). Place 100 nF X7R ceramic capacitors close to each VDD/VSS pair, plus a bulk 10 uF aluminum-polymer capacitor near the regulator output. The internal 3.3V regulator (VDDR) supplies the I/O ring and PLL; external loading of VDDR beyond the datasheet limit will cause dropped clock conditions. Source: NXP HCS12X datasheet power-supply section.
The 144-LQFP 0.5mm pitch package requires fine-pitch PCB capability. Use NSMD (non-solder mask defined) pads with 4-mil trace-and-space capability, microvia-in-pad or tented vias for ground stitching, and balanced copper pours under the package body. Place the crystal (XTAL/EXTAL) within 200 mil of the MCU pins; long oscillator traces cause EMI and frequency shift. Estimate: assume a 4-layer FR4 stackup with continuous ground plane and 0.5 oz copper for this design.
Three pitfalls to avoid: (1) configuring the XGATE without enabling the XGATE clock; (2) leaving the TEST pin floating - tie to VSS via 10 kohm; (3) writing Flash past the 384KB boundary - causes bus errors. Always set the Flash security byte per NXP application note AN2720 before production release. Source: NXP HCS12X application notes.
Thông tin tuân thủ
RoHS and lead-free compliant per NXP part marking. Industrial/automotive temperature grade. AEC-Q100 qualification status not explicitly stated in retrieved web data; consult NXP directly for automotive PPAP documentation.